weekdays on pbs kids go! or anytime at p-b-s kids go dot org. "the electric company" is brought to you by... find your voice and share it american greetings proud sponsor of "the electric company." agreement from the u.s. department of education's ready to learn grant, and viewers like you, thank you. (laughing) i do...i do... (laughter) i'm francine carruthers and i like to win, so if you don't go play games and win points for me, i'll still be a winner... who's losing. so go to pbskidsgo.org and win points for francine carruthers. that's me. tts is made possible by the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. ♪ wild kratts! ♪ chris: we're here off the coast of north america in the great bahama bank of the caribbean sea. hey, it's us the kratt brothers. i'm chris. i'm martin. and we're in search of one of the smartest creatures in the ocean. so smart, they even have their very own special language of clicks, whistles, and body postures. do you know who we're talking about